1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2/* 3 * The contents of this file are subject to the Mozilla Public 4 * License Version 1.1 (the "License"); you may not use this file 5 * except in compliance with the License. You may obtain a copy of 6 * the License at http://www.mozilla.org/MPL/ 7 * 8 * Software distributed under the License is distributed on an "AS 9 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or 10 * implied. See the License for the specific language governing 11 * rights and limitations under the License. 12 * 13 * The Original Code is the Netscape Portable Runtime (NSPR). 14 * 15 * The Initial Developer of the Original Code is Netscape 16 * Communications Corporation. Portions created by Netscape are 17 * Copyright (C) 1998-2000 Netscape Communications Corporation. All 18 * Rights Reserved. 19 * 20 * Contributor(s): 21 * 22 * Alternatively, the contents of this file may be used under the 23 * terms of the GNU General Public License Version 2 or later (the 24 * "GPL"), in which case the provisions of the GPL are applicable 25 * instead of those above. If you wish to allow use of your 26 * version of this file only under the terms of the GPL and not to 27 * allow others to use your version of this file under the MPL, 28 * indicate your decision by deleting the provisions above and 29 * replace them with the notice and other provisions required by 30 * the GPL. If you do not delete the provisions above, a recipient 31 * may use your version of this file under either the MPL or the 32 * GPL. 33 */ 34 35#ifndef nspr_scoos5_defs_h___ 36#define nspr_scoos5_defs_h___ 37 38/* 39 * Internal configuration macros 40 */ 41 42#define PR_LINKER_ARCH "scoos5" 43#define PR_DLL_SUFFIX ".so" 44 45#define _PR_SI_SYSNAME "SCO" 46#define _PR_SI_ARCHITECTURE "x86" 47#define _PR_STACK_VMBASE 0x50000000 48 49#define _MD_DEFAULT_STACK_SIZE 65536L 50#define _MD_MMAP_FLAGS MAP_PRIVATE 51 52#undef HAVE_STACK_GROWING_UP 53#define HAVE_DLL 54#define USE_DLFCN 55 56#if !defined (HAVE_STRERROR) 57#define HAVE_STRERROR 58#endif 59 60#ifndef HAVE_WEAK_IO_SYMBOLS 61#define HAVE_WEAK_IO_SYMBOLS 62#endif 63 64#define _PR_POLL_AVAILABLE 65#define _PR_USE_POLL 66#define _PR_NO_LARGE_FILES 67#define _PR_STAT_HAS_ONLY_ST_ATIME 68 69#define NEED_STRFTIME_LOCK 70#define NEED_TIME_R 71#define _PR_RECV_BROKEN /* recv doesn't work on Unix Domain Sockets */ 72 73#define USE_SETJMP 74 75#ifdef _PR_LOCAL_THREADS_ONLY 76#include <setjmp.h> 77 78#define _MD_GET_SP(_t) (_t)->md.jb[4] 79#define PR_NUM_GCREGS _SIGJBLEN 80#define PR_CONTEXT_TYPE sigjmp_buf 81 82#define CONTEXT(_th) ((_th)->md.jb) 83 84#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ 85{ \ 86 *status = PR_TRUE; \ 87 if (sigsetjmp(CONTEXT(_thread),1)) { \ 88 (*_main)(); \ 89 } \ 90 _MD_GET_SP(_thread) = (int) ((_sp) - 64); \ 91} 92 93#define _MD_SWITCH_CONTEXT(_thread) \ 94 if (!sigsetjmp(CONTEXT(_thread), 1)) { \ 95 (_thread)->md.errcode = errno; \ 96 _PR_Schedule(); \ 97 } 98 99/* 100** Restore a thread context, saved by _MD_SWITCH_CONTEXT 101*/ 102#define _MD_RESTORE_CONTEXT(_thread) \ 103{ \ 104 errno = (_thread)->osErrorCode; \ 105 _MD_SET_CURRENT_THREAD(_thread); \ 106 siglongjmp(CONTEXT(_thread), 1); \ 107} 108 109#endif /* _PR_LOCAL_THREADS_ONLY */ 110 111struct _MDThread { 112 jmp_buf jb; 113 int id; 114 int errcode; 115}; 116 117struct _MDThreadStack { 118 PRInt8 notused; 119}; 120 121struct _MDLock { 122 PRInt8 notused; 123}; 124 125struct _MDSemaphore { 126 PRInt8 notused; 127}; 128 129struct _MDCVar { 130 PRInt8 notused; 131}; 132 133struct _MDSegment { 134 PRInt8 notused; 135}; 136 137/* 138 * md-specific cpu structure field 139 */ 140#define _PR_MD_MAX_OSFD FD_SETSIZE 141 142struct _MDCPU_Unix { 143 PRCList ioQ; 144 PRUint32 ioq_timeout; 145 PRInt32 ioq_max_osfd; 146 PRInt32 ioq_osfd_cnt; 147#ifndef _PR_USE_POLL 148 fd_set fd_read_set, fd_write_set, fd_exception_set; 149 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], 150 fd_exception_cnt[_PR_MD_MAX_OSFD]; 151#else 152 struct pollfd *ioq_pollfds; 153 int ioq_pollfds_size; 154#endif /* _PR_USE_POLL */ 155}; 156 157#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) 158#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) 159#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) 160#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) 161#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) 162#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) 163#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) 164#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) 165#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) 166#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) 167#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) 168#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) 169#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) 170 171#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 172 173struct _MDCPU { 174 struct _MDCPU_Unix md_unix; 175}; 176 177#define _MD_INIT_LOCKS() 178#define _MD_NEW_LOCK(lock) PR_SUCCESS 179#define _MD_FREE_LOCK(lock) 180#define _MD_LOCK(lock) 181#define _MD_UNLOCK(lock) 182#define _MD_INIT_IO() 183#define _MD_IOQ_LOCK() 184#define _MD_IOQ_UNLOCK() 185 186#define _MD_EARLY_INIT _MD_EarlyInit 187#define _MD_FINAL_INIT _PR_UnixInit 188#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) 189#define _MD_INIT_THREAD _MD_InitializeThread 190#define _MD_EXIT_THREAD(thread) 191#define _MD_SUSPEND_THREAD(thread) 192#define _MD_RESUME_THREAD(thread) 193#define _MD_CLEAN_THREAD(_thread) 194 195#define _MD_GET_INTERVAL _PR_UNIX_GetInterval 196#define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond 197 198#define _MD_SELECT _select 199#define _MD_POLL _poll 200 201#endif /* nspr_scoos5_defs_h___ */ 202